# Unit Conversion for Safari vs Open Pi

The clearest difference is price: Open Pi at Free against Unit Conversion for Safari's $1.99. Open Pi also leads on update cadence (weekly vs every 2 months). Unit Conversion for Safari's advantage is in-app purchases (none vs 2) and iOS requirement (15.0 vs 18.0). On ads and device support there is nothing between them.

Open Pi is free to download; Unit Conversion for Safari costs $1.99 up front. Open Pi sells 2 one-off in-app purchases. Unit Conversion for Safari asks for nothing beyond the download.

Unit Conversion for Safari ships an update every 2 months, Open Pi weekly. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Unit Conversion for Safari | Open Pi |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.4 (9 ratings)](https://appshunter.io/ios/app/open-pi-raspberry-pi-manager/id6762019524/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Paid |
| Size | 4 MB | 43 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Seiya.k](https://appshunter.io/developer/383021944) | [Artem Svitelskyi](https://appshunter.io/developer/1892488801) |

## What reviewers say

### Unit Conversion for Safari

[App page](https://appshunter.io/ios/app/unit-conversion-for-safari/id6760579841)

**Features:** macOS Compatibility, Safari Extension, Vision Pro support

**In-app purchases:** none


### Open Pi

[App page](https://appshunter.io/ios/app/open-pi-raspberry-pi-manager/id6762019524)

Manage your Raspberry Pi devices remotely without cloud services. Monitor system health, control Docker, run commands, transfer files, and manage GPIO from a modern, privacy-focused interface.

**Highlights:** Real-time system monitoring, SSH terminal access, Docker container management, GPIO control, File manager, Wake-on-LAN Helper, Remote system actions

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Single (Lifetime) | $5.99 | one-time |
| Family (Lifetime) | $12.99 | one-time |


## Frequently asked questions

### Is Unit Conversion for Safari free?

Unit Conversion for Safari costs $1.99, with no in-app purchases.

### Is Open Pi free?

Open Pi is free to download, with in-app purchases available.

### Do Unit Conversion for Safari or Open Pi have ads?

Neither Unit Conversion for Safari nor Open Pi shows ads.

### Which is updated more often, Unit Conversion for Safari or Open Pi?

Unit Conversion for Safari ships an update every 2 months, and Open Pi weekly. Most recently, Unit Conversion for Safari was updated on October 8, 2026 and Open Pi on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*